/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/GeometrySelectionManager.h
Update the tracked selection change via a single Raycast, using the active UpdateConfig mode passed to BeginTrackedSelectionChange
virtual void AccumulateSelectionUpdate_Raycast ( const FRay3d & WorldRay, [FGeometrySelectionUpdateResult](API\Plugins\ModelingComponents\Selection\UGeometrySelectionManager\FGeometrySelecti-_5) & ResultOut )